NPM · JULY 2026 · EARLY WARNING

SolarWinds Web Help Desk SAML Bypass Vulnerability Under Investigation

EARLY WARNING · UNCONFIRMED. This page describes a developing threat that 0Day surfaced from early signals and has not yet independently confirmed. Details may change. Always verify against the primary sources before acting.

CVE-2026-28323Severity: CRITICAL

SolarWinds Web Help Desk appears to be affected by a critical SAML authentication bypass vulnerability. This issue is under investigation and requires the SAML 2.0 authentication method to be enabled.

What happened

SolarWinds Web Help Desk is reportedly vulnerable to a critical SAML authentication bypass, tracked as CVE-2026-28323. This vulnerability, with a CVSS score of 9.8, allows unauthorized access if SAML 2.0 authentication is enabled. It is recommended to upgrade to the latest version of SolarWinds Web Help Desk and disable SAML 2.0 authentication if it is not required. For more details, consult the primary sources: NCSC-2026-0274 and CVE-2026-28323.

The vulnerability is currently under investigation by security authorities. The exact scope and impact are not yet fully understood. Users of SolarWinds Web Help Desk should review their configurations to ensure SAML 2.0 is not enabled unless necessary. Additional information will be provided as it becomes available from the primary sources.

How 0Day mitigates this

MATCHED TO YOUR ACTUAL DEPENDENCY GRAPH0Day matches every incoming threat signal against your GitHub organization’s full dependency graph, including transitive dependencies. If solarwinds web help desk is anywhere in your dependency tree, the engineers who own the affected repositories get a push alert the moment it is flagged — no manual audit to remember to run.

Read how this differs from waiting on a scanner to catch a known advisory, or see the exact, read-only access 0Day needs to do this for an organization.

Join the 0Day waitlist →

← Back to all threats